---
patternId: clipboard/copy-images
---

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <link
      rel="icon"
      href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🎉</text></svg>"
    />
    <title>How to copy images</title>
    <style>
      :root {
        color-scheme: dark light;
      }

      html {
        box-sizing: border-box;
      }

      *,
      *:before,
      *:after {
        box-sizing: inherit;
      }

      body {
        margin: 1rem;
        font-family: system-ui, sans-serif;
      }

      button {
        display: block;
      }
    </style>
  </head>
  <body>
    <h1>How to copy images</h1>
    <img src="assets/fugu.svg" alt="Fugu fish." width="128" height="128">
    <button type="button">Copy</button>

    {% set script %}
      const button = document.querySelector('button');
      const img = document.querySelector('img');

      button.addEventListener('click', async () => {
        const responsePromise = fetch(img.src);
        const responsePromise2 = fetch(img.src.replace('.svg', '.png'));

        try {
          if ('write' in navigator.clipboard) {
            await navigator.clipboard.write([
              new ClipboardItem({
                'image/svg+xml': new Promise(async (resolve) => {
                  const blob = await responsePromise.then(response => response.blob());
                  resolve(blob);
                }),
                'image/png': new Promise(async (resolve) => {
                  const blob = await responsePromise2.then(response => response.blob());
                  resolve(blob);
                }),
              }),
            ]);
            // Image copied as image.
          } else {
            const text = await responsePromise.then(response => response.text());
            await navigator.clipboard.writeText(text);
            // Image copied as source code.
          }
        } catch (err) {
          console.error(err.name, err.message);
        }
      });
    {% endset %}
    <script>{{ script | minifyJs | cspHash | safe }}</script>
  </body>
</html>
